#2F3597#2F3597

#2F3597 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.157 H 273.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F3597
RGB	rgb(47, 53, 151)
HSL	hsl(237, 53%, 39%)
HSV	hsv(237, 69%, 59%)
CMYK	cmyk(68.9%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(27.80, 30.59, -54.46)
CIE-LCH	lch(27.80, 62.46, 299.32°)
OKLab	oklab(39% 0.0104 -0.1571)
OKLCH	oklch(39% 0.157 273.8)
XYZ	xyz(8.0294, 5.3842, 29.8883)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3597 #97912F

analogous

#2F6997 #2F3597 #5D2F97

triadic

#2F3597 #972F35 #35972F

tetradic

#2F3597 #972F69 #97912F #2F975D

square

#2F3597 #972F69 #97912F #2F975D

split-complementary

#2F3597 #975D2F #69972F

monochromatic

#12143A #202568 #2F3597 #4047C3 #6E74D2

Accessibility & contrast

On white

10.11

#2F3597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F3597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3597

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3597	#FFFFFF	#000000	##FFFFFF
##2F3597	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3597;
/* rgb */ color: rgb(47, 53, 151);
/* oklch */ color: oklch(39.0% 0.157 273.8);

Tailwind

colors: {
  custom: {
    50: '#766cb6',
    500: '#2f3597',
    950: '#000000',
  },
}

SCSS

$custom: #2f3597;
$custom-light: #766cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3597",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 236.538,
    "s": 52.525,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39,
    "c": 0.15748,
    "h": 273.8
  },
  "luminance": 0.05385
}

Semantic roles & 50–950 ramp

primary

#2F3597

secondary

#B9B568

accent

#D44CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3597

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →